public override void execute(MipsMemory memory, MipsRegisters regs, Dictionary <string, int> linkerTable, Dictionary <string, int> dataTable)
{
if (info.name == "la")
{
if (!dataTable.ContainsKey(pseudoLabel))
{
throw new ArgumentException("label not found! " + ToString());
}
regs.Registers[rt] = dataTable[pseudoLabel];
}
else if (info.name == "lw")
{
if (pseudoLabel != "")
{
if (!dataTable.ContainsKey(pseudoLabel))
{
throw new ArgumentException("label not found! " + ToString());
}
regs.Registers[rt] = memory.CmdLoadWord(dataTable[pseudoLabel]);
}
else
{
regs.Registers[rt] = memory.CmdLoadWord(regs.Registers[rs] + immediate);
}
}
else if (info.name == "sw")
{
memory.CmdSaveWord(regs.Registers[rs] + immediate, regs.Registers[rt]);
}
}
public override void execute(MipsMemory memory, MipsRegisters regs, Dictionary <string, int> linkerTable, Dictionary <string, int> dataTable)
{
switch (info.name)
{
case "slt":
regs.Registers[rd] = regs.Registers[rs] < regs.Registers[rt] ? 1 : 0;
break;
}
}
public override void execute(MipsMemory memory, MipsRegisters regs, Dictionary <string, int> linkerTable, Dictionary <string, int> dataTable)
{
switch (info.name)
{
case "addi":
regs.Registers[rt] = regs.Registers[rs] + immediate;
break;
}
}
public override void execute(MipsMemory memory, MipsRegisters regs, Dictionary <string, int> linkerTable, Dictionary <string, int> dataTable)
{
if (!linkerTable.ContainsKey(jumpLabel))
{
throw new ArgumentException("jump label not found! " + ToString());
}
regs.PC = linkerTable[jumpLabel];
}
public override void execute(MipsMemory memory, MipsRegisters regs, Dictionary <string, int> linkerTable, Dictionary <string, int> dataTable)
{
if (!linkerTable.ContainsKey(bLabel))
{
throw new ArgumentException("branch label not found! " + ToString());
}
if (info.name == "beq" && regs.Registers[rs] == regs.Registers[rt])
{
regs.PC = linkerTable[bLabel];
}
if (info.name == "bne" && regs.Registers[rs] != regs.Registers[rt])
{
regs.PC = linkerTable[bLabel];
}
}
public override void execute(MipsMemory memory, MipsRegisters regs, Dictionary <string, int> linkerTable, Dictionary <string, int> dataTable)
{
switch (info.name)
{
case "sll":
regs.Registers[rd] = (int)(((uint)regs.Registers[rt]) << shift);
break;
case "srl":
regs.Registers[rd] = (int)(((uint)regs.Registers[rt]) >> shift);
break;
case "sra":
regs.Registers[rd] = regs.Registers[rt] >> shift;
break;
}
}
public void execute(MipsMemory memory, Dictionary <string, int> dataTable)
{
string[] split = args.Split(' ');
int pointer = 0;
switch (instruction)
{
case ".word":
int[] intArray = new int[split.Length];
for (int i = 0; i < split.Length; i++)
{
intArray[i] = Convert.ToInt32(split[i]);
}
pointer = memory.SaveWords(intArray);
break;
case ".half":
short[] halfArray = new short[split.Length];
for (int i = 0; i < split.Length; i++)
{
halfArray[i] = Convert.ToInt16(split[i]);
}
pointer = memory.SaveHalfs(halfArray);
break;
case ".byte":
byte[] byteArray = new byte[split.Length];
for (int i = 0; i < split.Length; i++)
{
byteArray[i] = Convert.ToByte(split[i]);
}
pointer = memory.SaveBytes(byteArray);
break;
case ".space":
int count = Convert.ToInt32(split[0]);
pointer = memory.ReserveBytes(count);
break;
}
if (label != "")
{
dataTable.Add(label, pointer);
}
}
public override void execute(MipsMemory memory, MipsRegisters regs, Dictionary <string, int> linkerTable, Dictionary <string, int> dataTable)
{
throw new NotImplementedException();
}
public abstract void execute(MipsMemory memory, MipsRegisters regs, Dictionary <string, int> linkerTable, Dictionary <string, int> dataTable);
